/**
 * 语法和新特性的区别
 */

let a = 1
const b = 222

const say = () => {
  console.log(1111);
}


let x = [1,2,3]

let y = x.filter(p => p % 2 === 0)

Promise.reject(() => {
  console.log(222);
})


Object.assign({}, {name: '张三'})
